body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.login-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 300px;
    text-align: center;
}
.login-container h2 {
    margin-bottom: 20px;
    color: #333;
}
.login-container .form-group {
    margin-bottom: 15px;
    text-align: left;
}
.login-container label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}
.login-container input[type="text"],
.login-container input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.login-container input[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.login-container input[type="submit"]:hover {
    background-color: #45a049;
}
.login-container p.error {
    color: red;
    margin-top: 10px;
}